HW51131-4: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, temp_rating: 900.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.282 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-260-9380, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | IRON ALLOY 660 OVERALL |
| nut_style | HEXAGON |
| temp_rating | 900.0 FAHRENHEIT MAXIMUM DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.282 INCHES NOMINAL IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | NON-MAGNETIC |
| thread_direction | RIGHT-HAND |
| precious_material | SILVER |
| surface_treatment | SILVER NUT |
| width_across_flats | 0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| NSN | 5310-01-260-9380 |
| OVERALL HEIGHT | 0.282 INCHES NOMINAL IN |
| WASHER OUTSIDE DIAMETER | 0.460 INCHES NOMINAL IN |
| WIDTH ACROSS FLATS | 0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| PRECIOUS MATERIAL | SILVER |
| TEMP RATING | 900.0 FAHRENHEIT MAXIMUM DEGF |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| SPECIAL FEATURES | NON-MAGNETIC |
No substitute or cross-reference records for this part.